Exposure
- ID
- GRAVI.2024-04-27T08:13:38.387_2
- Header ID
- GRAVI.2024-04-27T08:13:38.387
- Date updated
- 2024-04-27 08:30:41 UTC+0000
- Release date
- 2025-04-27 08:30:41 UTC+0000
- UTC Start
- 2024-04-27 08:13:38.387
- UTC End
- 2024-04-27 08:19:38.387
- MJD Start
- 60427.34280541
- MJD End
- 60427.3469720767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0024925
- Ambient temperature (°C)
- 17.55
- Seeing (arcsec)
- 1.555
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3670 | 56.3110 | 27.0000 | 27.6000 |
| U1-U3 | 102.0960 | 101.9720 | 33.3000 | 34.0000 |
| U1-U4 | 129.9380 | 129.7240 | 61.4400 | 62.1690 |
| U2-U3 | 46.4970 | 46.4310 | 41.1000 | 41.7000 |
| U2-U4 | 89.3510 | 89.2320 | 82.3550 | 83.1240 |
| U3-U4 | 62.4710 | 62.4530 | 111.7730 | 112.5590 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60427.34280541 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416764 |
| DEC | -29.00719 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.367 |
| HIERARCH ESO ISS PBL12 END | 56.311 |
| HIERARCH ESO ISS PBLA12 START | 27.0 |
| HIERARCH ESO ISS PBLA12 END | 27.6 |
| HIERARCH ESO ISS PBL13 START | 102.096 |
| HIERARCH ESO ISS PBL13 END | 101.972 |
| HIERARCH ESO ISS PBLA13 START | 33.3 |
| HIERARCH ESO ISS PBLA13 END | 34.0 |
| HIERARCH ESO ISS PBL14 START | 129.938 |
| HIERARCH ESO ISS PBL14 END | 129.724 |
| HIERARCH ESO ISS PBLA14 START | 61.44 |
| HIERARCH ESO ISS PBLA14 END | 62.169 |
| HIERARCH ESO ISS PBL23 START | 46.497 |
| HIERARCH ESO ISS PBL23 END | 46.431 |
| HIERARCH ESO ISS PBLA23 START | 41.1 |
| HIERARCH ESO ISS PBLA23 END | 41.7 |
| HIERARCH ESO ISS PBL24 START | 89.351 |
| HIERARCH ESO ISS PBL24 END | 89.232 |
| HIERARCH ESO ISS PBLA24 START | 82.355 |
| HIERARCH ESO ISS PBLA24 END | 83.124 |
| HIERARCH ESO ISS PBL34 START | 62.471 |
| HIERARCH ESO ISS PBL34 END | 62.453 |
| HIERARCH ESO ISS PBLA34 START | 111.773 |
| HIERARCH ESO ISS PBLA34 END | 112.559 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003149 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001836 |
| HIERARCH ESO ISS AMBI TEMP | 17.55 |
| HIERARCH ESO ISS AMBI FWHM START | 1.32 |
| HIERARCH ESO ISS AMBI FWHM END | 1.79 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |